Pentax smc DA* 16-50mm F2.8 ED AL (IF) SDM

Announced Feb 21, 2007 •
Zoom lens | Pentax KAF2
Principal specifications
Lens type Zoom lens
Max Format size APS-C / DX
Focal length 16–50 mm
Image stabilisation No
Lens mount Pentax KAF2
Aperture
Maximum aperture F2.8
Minimum aperture F22.0
Aperture ring No
Number of diaphragm blades 9
Optics
Elements 15
Groups 12
Special elements / coatings 2 ED elements, 3 aspherical elements
Focus
Minimum focus 0.30 m (11.81)
Maximum magnification 0.21×
Autofocus Yes
Motor type Ultrasonic
Full time manual Yes
Focus method Internal
Distance scale Yes
DoF scale No
Physical
Weight 565 g (1.25 lb)
Diameter 84 mm (3.31)
Length 99 mm (3.88)
Sealing Yes
Zoom method Rotary (extending)
Filter thread 77 mm
Hood supplied Yes
Tripod collar No
Other
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